BRIDGERTON star Nicola Coughlan may be 37, but she's youthful enough to pass as a 19-year-old in her hit show. Fans have been stunned by Coughlan, who stars as Penelope in the third season of Bridgerton. "Ain't no way Nicola Coughlan is 37.

.. she looks 20," tweeted one fan.

"Nicola Coughlan is 37, and she looks like she is in her 20s, could also be mistaken as [a] teen," seconded another. The actress revealed that a $9.90 drugstore anti-aging serum is a crucial part of her skincare routine.

In a Vogue video , Coughlan broke down the steps in her skincare and makeup routine. "I have really really thirsty skin," she said as she applied the serum. The Ordinary's Hyaluronic Acid 2% + B5 serum is offered in three different sizes.

Beginners can purchase 30 milliliters of the serum for $9.90, while loyal fans can purchase 60 and 120 milliliter sizes for $17.50 and $31.

50, respectively. Coughlan explained that one step she makes sure to do is moisturizing her neck. Her boss advised her to incorporate the skincare technique into her beauty regimen.

"My boss was like, 'You need to start using eye cream, and you need to start moisturizing your neck,'" she said. "And I was like, 'Okay, girl,' and I started it then, but I was an anomaly among my friends that I did that." A trick she was taught is to apply the cream gently under the eyes with a specific finger without using too much pressure.

"They also told me that you should only put it on with your ring finger," she explained. Another c.